677084077 has 4 divisors (see below), whose sum is σ = 678182076. Its totient is φ = 675986080.

The previous prime is 677084039. The next prime is 677084087. The reversal of 677084077 is 770480776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272712196 + 404371881 = 16514^2 + 20109^2 .

It is a cyclic number.

It is not a de Polignac number, because 677084077 - 2⁷ = 677083949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677084087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548074 + ... + 549307.

It is an arithmetic number, because the mean of its divisors is an integer number (169545519).

Almost surely, 2^677084077 is an apocalyptic number.

It is an amenable number.

677084077 is a deficient number, since it is larger than the sum of its proper divisors (1097999).

677084077 is a wasteful number, since it uses less digits than its factorization.

677084077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097998.

The product of its (nonzero) digits is 460992, while the sum is 46.

The square root of 677084077 is about 26020.8392831592. The cubic root of 677084077 is about 878.1071906774.

The spelling of 677084077 in words is "six hundred seventy-seven million, eighty-four thousand, seventy-seven".